 On August 13–21, 1983 at the Nardo High Speed Track in southern Italy, the new compact-size W201 190 class, sporting a 16-valve engine, built by Cosworth, broke three FIA world records after running almost non-stop (only a 20-sec pit stop every 2½ hours) in a total of 201 hours, 39 minutes, and 43 seconds—completing at maximum speed of .It went on to become the 190E 2.3-16 touring model.In 1994, Al Unser, Jr. won the Indianapolis 500 with a Penske-Mercedes IndyCar.